Usage_credits

Judgement

What it is

Building block

What it does

A Ruby gem that adds a credits wallet to Rails apps, so users buy or receive credits and spend them on operations, integrated with the pay gem.

Adopt it when

Your Rails app charges per use, for example per AI generation, and you want credits rather than metered invoices.

Watch out

One maintainer and a small user base.

Ready for

Usable

Runs as

Library

Built with

Ruby and Rails

How established

Young: started 21 months ago, latest release v1.2.0.

What the license allows

You can build it into a product you sell, as long as you keep its copyright notice.

Judged on 2026-11-03 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

Follow it down: Usage_credits → Ruby → GCC → LLVM project → runs on a microchip

How compilers were built, back to punched paper tape

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